diff --git a/arduino/libraries/librariesresolver/cpp.go b/arduino/libraries/librariesresolver/cpp.go
index 4afbd399169..f817a68f7eb 100644
--- a/arduino/libraries/librariesresolver/cpp.go
+++ b/arduino/libraries/librariesresolver/cpp.go
@@ -189,8 +189,10 @@ func ComputePriority(lib *libraries.Library, header, arch string) int {
 	}
 
 	if name == header && dirName == header {
-		priority += 600
+		priority += 700
 	} else if name == header || dirName == header {
+		priority += 600
+	} else if name == header+"-main" || dirName == header+"-main" {
 		priority += 500
 	} else if name == header+"-master" || dirName == header+"-master" {
 		priority += 400
diff --git a/arduino/libraries/librariesresolver/cpp_test.go b/arduino/libraries/librariesresolver/cpp_test.go
index e89ac8305a7..3be147636ac 100644
--- a/arduino/libraries/librariesresolver/cpp_test.go
+++ b/arduino/libraries/librariesresolver/cpp_test.go
@@ -23,12 +23,13 @@ import (
 )
 
 var l1 = &libraries.Library{Name: "Calculus Lib", Location: libraries.User}
-var l2 = &libraries.Library{Name: "Calculus Lib-master", Location: libraries.User}
-var l3 = &libraries.Library{Name: "Calculus Lib Improved", Location: libraries.User}
-var l4 = &libraries.Library{Name: "Another Calculus Lib", Location: libraries.User}
-var l5 = &libraries.Library{Name: "Yet Another Calculus Lib Improved", Location: libraries.User}
-var l6 = &libraries.Library{Name: "Calculus Unified Lib", Location: libraries.User}
-var l7 = &libraries.Library{Name: "AnotherLib", Location: libraries.User}
+var l2 = &libraries.Library{Name: "Calculus Lib-main", Location: libraries.User}
+var l3 = &libraries.Library{Name: "Calculus Lib-master", Location: libraries.User}
+var l4 = &libraries.Library{Name: "Calculus Lib Improved", Location: libraries.User}
+var l5 = &libraries.Library{Name: "Another Calculus Lib", Location: libraries.User}
+var l6 = &libraries.Library{Name: "Yet Another Calculus Lib Improved", Location: libraries.User}
+var l7 = &libraries.Library{Name: "Calculus Unified Lib", Location: libraries.User}
+var l8 = &libraries.Library{Name: "AnotherLib", Location: libraries.User}
 var bundleServo = &libraries.Library{Name: "Servo", Location: libraries.IDEBuiltIn, Architectures: []string{"avr", "sam", "samd"}}
 
 func runResolver(include string, arch string, libs ...*libraries.Library) *libraries.Library {
@@ -91,14 +92,14 @@ func TestArchitecturePriority(t *testing.T) {
 
 func TestClosestMatchWithTotallyDifferentNames(t *testing.T) {
 	libraryList := libraries.List{}
-	libraryList.Add(l5)
 	libraryList.Add(l6)
 	libraryList.Add(l7)
+	libraryList.Add(l8)
 	resolver := NewCppResolver()
 	resolver.headers["XYZ.h"] = libraryList
 	res := resolver.ResolveFor("XYZ.h", "xyz")
 	require.NotNil(t, res)
-	require.Equal(t, l7, res, "selected library")
+	require.Equal(t, l8, res, "selected library")
 }
 
 func TestCppHeaderPriority(t *testing.T) {
@@ -109,12 +110,14 @@ func TestCppHeaderPriority(t *testing.T) {
 	r5 := ComputePriority(l5, "calculus_lib.h", "avr")
 	r6 := ComputePriority(l6, "calculus_lib.h", "avr")
 	r7 := ComputePriority(l7, "calculus_lib.h", "avr")
+	r8 := ComputePriority(l8, "calculus_lib.h", "avr")
 	require.True(t, r1 > r2)
 	require.True(t, r2 > r3)
 	require.True(t, r3 > r4)
 	require.True(t, r4 > r5)
 	require.True(t, r5 > r6)
-	require.True(t, r6 == r7)
+	require.True(t, r6 > r7)
+	require.True(t, r7 == r8)
 }
 
 func TestCppHeaderResolverWithNilResult(t *testing.T) {
@@ -135,13 +138,14 @@ func TestCppHeaderResolver(t *testing.T) {
 		resolver.headers[header] = librarylist
 		return resolver.ResolveFor(header, "avr").Name
 	}
-	require.Equal(t, "Calculus Lib", resolve("calculus_lib.h", l1, l2, l3, l4, l5, l6, l7))
-	require.Equal(t, "Calculus Lib-master", resolve("calculus_lib.h", l2, l3, l4, l5, l6, l7))
-	require.Equal(t, "Calculus Lib Improved", resolve("calculus_lib.h", l3, l4, l5, l6, l7))
-	require.Equal(t, "Another Calculus Lib", resolve("calculus_lib.h", l4, l5, l6, l7))
-	require.Equal(t, "Yet Another Calculus Lib Improved", resolve("calculus_lib.h", l5, l6, l7))
-	require.Equal(t, "Calculus Unified Lib", resolve("calculus_lib.h", l6, l7))
-	require.Equal(t, "Calculus Unified Lib", resolve("calculus_lib.h", l7, l6))
+	require.Equal(t, "Calculus Lib", resolve("calculus_lib.h", l1, l2, l3, l4, l5, l6, l7, l8))
+	require.Equal(t, "Calculus Lib-main", resolve("calculus_lib.h", l2, l3, l4, l5, l6, l7, l8))
+	require.Equal(t, "Calculus Lib-master", resolve("calculus_lib.h", l3, l4, l5, l6, l7, l8))
+	require.Equal(t, "Calculus Lib Improved", resolve("calculus_lib.h", l4, l5, l6, l7, l8))
+	require.Equal(t, "Another Calculus Lib", resolve("calculus_lib.h", l5, l6, l7, l8))
+	require.Equal(t, "Yet Another Calculus Lib Improved", resolve("calculus_lib.h", l6, l7, l8))
+	require.Equal(t, "Calculus Unified Lib", resolve("calculus_lib.h", l7, l8))
+	require.Equal(t, "Calculus Unified Lib", resolve("calculus_lib.h", l8, l7))
 }
 
 func TestCppHeaderResolverWithLibrariesInStrangeDirectoryNames(t *testing.T) {
diff --git a/docs/sketch-build-process.md b/docs/sketch-build-process.md
index 2f1486eff79..6fad171187e 100644
--- a/docs/sketch-build-process.md
+++ b/docs/sketch-build-process.md
@@ -101,6 +101,7 @@ The "library name priority" is determined as follows (in order of highest to low
 | Rule                                                                      | Example for `Arduino_Low_Power.h` |
 | ------------------------------------------------------------------------- | --------------------------------- |
 | The library name matches the include 100%                                 | `Arduino Low Power`               |
+| The library name matches the include 100%, except with a `-main` suffix   | `Arduino Low Power-main`          |
 | The library name matches the include 100%, except with a `-master` suffix | `Arduino Low Power-master`        |
 | The library name has a matching prefix                                    | `Arduino Low Power Whatever`      |
 | The library name has a matching suffix                                    | `Awesome Arduino Low Power`       |
@@ -113,6 +114,7 @@ The "folder name priority" is determined as follows (in order of highest to lowe
 | Rule                                                                     | Example for `Servo.h`       |
 | ------------------------------------------------------------------------ | --------------------------- |
 | The folder name matches the include 100%                                 | `Servo`                     |
+| The folder name matches the include 100%, except with a `-main` suffix   | `Servo-main`                |
 | The folder name matches the include 100%, except with a `-master` suffix | `Servo-master`              |
 | The folder name has a matching prefix                                    | `ServoWhatever`             |
 | The folder name has a matching suffix                                    | `AwesomeServo`              |