diff --git a/tpm2.0-tools-fix-gcc7.patch b/tpm2.0-tools-fix-gcc7.patch
new file mode 100644
index 0000000..8eb684e
--- /dev/null
+++ b/tpm2.0-tools-fix-gcc7.patch
@@ -0,0 +1,26 @@
+Index: tpm2.0-tools-2.0.0/tools/main.c
+===================================================================
+--- tpm2.0-tools-2.0.0.orig/tools/main.c
++++ tpm2.0-tools-2.0.0/tools/main.c
+@@ -61,7 +61,7 @@ main (int   argc,
+         execute_man (argv[0], envp);
+         fprintf (stderr,
+                  "failed to load manpage, check your environment / PATH\n");
+-        /* no break */
++        /* FALLTHROUGH */
+     case 2:
+         exit (1);
+     }
+Index: tpm2.0-tools-2.0.0/tools/tpm2_dump_capability.c
+===================================================================
+--- tpm2.0-tools-2.0.0.orig/tools/tpm2_dump_capability.c
++++ tpm2.0-tools-2.0.0/tools/tpm2_dump_capability.c
+@@ -595,7 +595,7 @@ dump_tpm_capability (TPMU_CAPABILITIES
+     case TPM_CAP_COMMANDS:
+         dump_command_attr_array (capabilities->command.commandAttributes,
+                                  capabilities->command.count);
+-        /* no break */
++        /* FALLTHROUGH */
+     default:
+         return 1;
+     }
diff --git a/tpm2.0-tools.spec b/tpm2.0-tools.spec
index f903423..f1d37dd 100644
--- a/tpm2.0-tools.spec
+++ b/tpm2.0-tools.spec
@@ -25,6 +25,7 @@ Group:          Productivity/Security
 Url:            https://github.com/01org/tpm2.0-tools
 Source0:        https://github.com/01org/tpm2.0-tools/archive/%{version}.zip
 Patch0:         tpm2.0-tools-fix-hardening.patch
+Patch1:         tpm2.0-tools-fix-gcc7.patch
 BuildRequires:  autoconf-archive
 BuildRequires:  automake
 BuildRequires:  gcc-c++
@@ -46,6 +47,7 @@ associated interfaces.
 %prep
 %setup -q
 %patch0 -p1
+%patch1 -p1
 
 %build
 bash ./bootstrap