diff --git a/config/functions b/config/functions
index c350b751cd..95d8c78d19 100644
--- a/config/functions
+++ b/config/functions
@@ -580,7 +580,7 @@ c = '$CC'
 cpp = '$CXX'
 ar = '$AR'
 strip = '$STRIP'
-pkgconfig = '$PKG_CONFIG'
+pkg-config = '$PKG_CONFIG'
 llvm-config = '$TOOLCHAIN/bin/llvm-config'
 libgcrypt-config = '$SYSROOT_PREFIX/usr/bin/libgcrypt-config'
 
@@ -618,7 +618,7 @@ c = '$TARGET_CC'
 cpp = '$TARGET_CXX'
 ar = '$TARGET_AR'
 strip = '$TARGET_STRIP'
-pkgconfig = '$PKG_CONFIG'
+pkg-config = '$PKG_CONFIG'
 llvm-config = '$SYSROOT_PREFIX/usr/bin/llvm-config'
 libgcrypt-config = '$SYSROOT_PREFIX/usr/bin/libgcrypt-config'