diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 9ddcb08..347f95e 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -37,8 +37,8 @@ jobs:
       run: cmd /C 'echo LIBS := -L "c:/program files/openssl/lib" $(LIBS) >>Makefile.win && echo CFLAGS := -I "c:/program files/openssl/include" $(CFLAGS) >>Makefile.win && type Makefile.win'
     - name: SSLPlugin Linux
       if: ${{ startsWith(matrix.target, 'ubuntu') }}
-      run: "sed -i \'/^PLUGIN/s/\$ SSLPlugin\' Makefile"
-      run: "sed -i \'/^LIBS/s/\$ -lcrypto -lssl\' Makefile"
+      run: "sed -i '/^PLUGIN/s/$ SSLPlugin' Makefile"
+      run: "sed -i '/^LIBS/s/$ -lcrypto -lssl' Makefile"
     - name: make
       run: make
     - name: mkdir