diff --git a/audio/bambootracker/Makefile b/audio/bambootracker/Makefile
index 0eb593de8b9e..6312c0c97eb0 100644
--- a/audio/bambootracker/Makefile
+++ b/audio/bambootracker/Makefile
@@ -33,6 +33,12 @@ EXTRASVERSION=	2
 OPTIONS_DEFINE=	EXAMPLES NLS
 OPTIONS_SUB=	yes
 
+.include <bsd.port.pre.mk>
+
+.if (${OSVERSION} >= 1300096)
+EXTRA_PATCHES=	${PATCHDIR}/extrapatch-BambooTracker_BambooTracker.pro
+.endif
+
 do-install:
 	@${MKDIR} ${STAGEDIR}${PREFIX}/share/icons \
 		${STAGEDIR}${MANPREFIX}/man/fr.UTF-8/man1
@@ -52,4 +58,4 @@ do-install-EXAMPLES-on:
 		${WRKDIR}/${PORTNAME}-extras-${EXTRASVERSION}/*.btm \
 		${STAGEDIR}${EXAMPLESDIR}
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>
diff --git a/audio/bambootracker/files/extrapatch-BambooTracker_BambooTracker.pro b/audio/bambootracker/files/extrapatch-BambooTracker_BambooTracker.pro
new file mode 100644
index 000000000000..a9ce12990873
--- /dev/null
+++ b/audio/bambootracker/files/extrapatch-BambooTracker_BambooTracker.pro
@@ -0,0 +1,11 @@
+--- BambooTracker/BambooTracker.pro.orig	2020-06-28 12:11:07 UTC
++++ BambooTracker/BambooTracker.pro
+@@ -47,7 +47,7 @@ msvc {
+ }
+ else:if(gcc|clang) {
+   # Pedantic settings, warning -> error escalation and C standard specification
+-  CPPFLAGS += -Wall -Wextra -Werror -pedantic -pedantic-errors
++  CPPFLAGS += -Wall
+   QMAKE_CFLAGS += -std=gnu11
+ 
+   # Attempt to get the compiler version for version-specific handling